static void
fz_drawcliptext(void *user, fz_text *text, fz_matrix ctm, int accumulate)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
fz_bbox bbox;
fz_pixmap *mask, *dest;
fz_matrix tm, trm;
fz_pixmap *glyph;
int i, x, y, gid;
/* If accumulate == 0 then this text object is guaranteed complete */
/* If accumulate == 1 then this text object is the first (or only) in a sequence */
/* If accumulate == 2 then this text object is a continuation */
if (dev->top == STACKSIZE)
{
fz_warn("assert: too many buffers on stack");
return;
}
if (accumulate == 0)
{
/* make the mask the exact size needed */
bbox = fz_roundrect(fz_boundtext(text, ctm));
bbox = fz_intersectbbox(bbox, dev->scissor);
}
else
{
/* be conservative about the size of the mask needed */
bbox = dev->scissor;
}
if (accumulate == 0 || accumulate == 1)
{
mask = fz_newpixmapwithrect(nil, bbox);
dest = fz_newpixmapwithrect(model, bbox);
fz_clearpixmap(mask, 0);
fz_clearpixmap(dest, 0);
dev->stack[dev->top].scissor = dev->scissor;
dev->stack[dev->top].mask = mask;
dev->stack[dev->top].dest = dev->dest;
dev->scissor = bbox;
dev->dest = dest;
dev->top++;
}
else
{
mask = dev->stack[dev->top-1].mask;
}
if (!fz_isemptyrect(bbox))
{
tm = text->trm;
for (i = 0; i < text->len; i++)
{
gid = text->els[i].gid;
if (gid < 0)
continue;
tm.e = text->els[i].x;
tm.f = text->els[i].y;
trm = fz_concat(tm, ctm);
x = floorf(trm.e);
y = floorf(trm.f);
trm.e = QUANT(trm.e - floorf(trm.e), HSUBPIX);
trm.f = QUANT(trm.f - floorf(trm.f), VSUBPIX);
glyph = fz_renderglyph(dev->cache, text->font, gid, trm);
if (glyph)
{
drawglyph(nil, mask, glyph, x, y, bbox);
fz_droppixmap(glyph);
}
}
}
}
fz_error
fz_rendershade(fz_shade *shade, fz_matrix ctm, fz_colorspace *destcs, fz_pixmap *dest)
{
unsigned char clut[256][3];
unsigned char *s, *d;
fz_error error;
fz_pixmap *temp;
float rgb[3];
float tri[3][MAXN];
fz_point p;
int i, j, k, n;
assert(dest->n == 4);
ctm = fz_concat(shade->matrix, ctm);
if (shade->usefunction)
{
n = 3;
error = fz_newpixmap(&temp, dest->x, dest->y, dest->w, dest->h, 2);
if (error)
return error;
}
else if (shade->cs != destcs)
{
n = 2 + shade->cs->n;
error = fz_newpixmap(&temp, dest->x, dest->y, dest->w, dest->h,
shade->cs->n + 1);
if (error)
return error;
}
else
{
n = 2 + shade->cs->n;
temp = dest;
}
fz_clearpixmap(temp);
for (i = 0; i < shade->meshlen; i++)
{
for (k = 0; k < 3; k++)
{
p.x = shade->mesh[(i * 3 + k) * n + 0];
p.y = shade->mesh[(i * 3 + k) * n + 1];
p = fz_transformpoint(ctm, p);
if (isnan(p.y) || isnan(p.x)) // How is this happening?
goto baddata;
tri[k][0] = p.x;
tri[k][1] = p.y;
for (j = 2; j < n; j++)
tri[k][j] = shade->mesh[( i * 3 + k) * n + j] * 255;
}
fz_drawtriangle(temp, tri[0], tri[1], tri[2], n);
baddata:
;
}
if (shade->usefunction)
{
for (i = 0; i < 256; i++)
{
fz_convertcolor(shade->cs, shade->function[i], destcs, rgb);
clut[i][0] = rgb[0] * 255;
clut[i][1] = rgb[1] * 255;
clut[i][2] = rgb[2] * 255;
}
n = temp->w * temp->h;
s = temp->samples;
d = dest->samples;
while (n--)
{
d[0] = s[0];
d[1] = fz_mul255(s[0], clut[s[1]][0]);
d[2] = fz_mul255(s[0], clut[s[1]][1]);
d[3] = fz_mul255(s[0], clut[s[1]][2]);
s += 2;
d += 4;
}
fz_droppixmap(temp);
}
else if (shade->cs != destcs)
{
fz_convertpixmap(shade->cs, temp, destcs, dest);
fz_droppixmap(temp);
}
return fz_okay;
}
static fz_error *
renderpath(fz_renderer *gc, fz_pathnode *path, fz_matrix ctm)
{
fz_error *error;
float flatness;
fz_irect gbox;
fz_irect clip;
float expansion = fz_matrixexpansion(ctm);
flatness = 0.3 / expansion;
if (flatness < 0.1)
flatness = 0.1;
fz_resetgel(gc->gel, gc->clip);
if (path->paint == FZ_STROKE)
{
float lw = path->linewidth;
/* Check for hairline */
if (lw * expansion < 0.1) {
lw = 1.0f / expansion;
}
if (path->dash)
error = fz_dashpath(gc->gel, path, ctm, flatness, lw);
else
error = fz_strokepath(gc->gel, path, ctm, flatness, lw);
}
else
error = fz_fillpath(gc->gel, path, ctm, flatness);
if (error)
return error;
fz_sortgel(gc->gel);
gbox = fz_boundgel(gc->gel);
clip = fz_intersectirects(gc->clip, gbox);
if (fz_isemptyrect(clip))
return fz_okay;
DEBUG("path %s;\n", path->paint == FZ_STROKE ? "stroke" : "fill");
if (gc->flag & FRGB)
{
DEBUG(" path rgb %d %d %d %d, %d %d %d\n", gc->argb[0], gc->argb[1], gc->argb[2], gc->argb[3], gc->argb[4], gc->argb[5], gc->argb[6]);
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, gc->argb, 1);
}
else if (gc->flag & FOVER)
{
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, nil, 1);
}
else
{
error = fz_newpixmapwithrect(&gc->dest, clip, 1);
if (error)
return error;
fz_clearpixmap(gc->dest);
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->dest, nil, 0);
}
}
static void pdfapp_showpage(pdfapp_t *app, int loadpage, int drawpage)
{
char buf[256];
fz_error error;
fz_device *idev, *tdev, *mdev;
fz_displaylist *list;
fz_matrix ctm;
fz_bbox bbox;
fz_obj *obj;
if (loadpage)
{
wincursor(app, WAIT);
if (app->page)
pdf_droppage(app->page);
app->page = nil;
//code change by kakai
kno_clearselect(app);
//code change by kakai
pdf_flushxref(app->xref, 0);
obj = pdf_getpageobject(app->xref, app->pageno);
error = pdf_loadpage(&app->page, app->xref, obj);
if (error)
pdfapp_error(app, error);
sprintf(buf, "%s - %d/%d", app->doctitle,
app->pageno, app->pagecount);
wintitle(app, buf);
}
if (drawpage)
{
wincursor(app, WAIT);
ctm = pdfapp_viewctm(app);
bbox = fz_roundrect(fz_transformrect(ctm, app->page->mediabox));
list = fz_newdisplaylist();
mdev = fz_newlistdevice(list);
error = pdf_runcontentstream(mdev, fz_identity(), app->xref, app->page->resources, app->page->contents);
if (error)
pdfapp_error(app, error);
fz_freedevice(mdev);
if (app->image)
fz_droppixmap(app->image);
app->image = fz_newpixmapwithrect(pdf_devicergb, bbox);
fz_clearpixmap(app->image, 0xFF);
idev = fz_newdrawdevice(app->cache, app->image);
fz_executedisplaylist(list, idev, ctm);
fz_freedevice(idev);
if (app->text)
fz_freetextspan(app->text);
app->text = fz_newtextspan();
tdev = fz_newtextdevice(app->text);
fz_executedisplaylist(list, tdev, ctm);
fz_freedevice(tdev);
fz_freedisplaylist(list);
//code change by kakai
kno_allocselection(app);
kno_applyselect(app);
//code change by kakai
winconvert(app, app->image);
}
pdfapp_panview(app, app->panx, app->pany);
if (app->shrinkwrap)
{
int w = app->image->w;
int h = app->image->h;
if (app->winw == w)
app->panx = 0;
if (app->winh == h)
app->pany = 0;
if (w > app->scrw * 90 / 100)
w = app->scrw * 90 / 100;
if (h > app->scrh * 90 / 100)
h = app->scrh * 90 / 100;
if (w != app->winw || h != app->winh)
winresize(app, w, h);
}
winrepaint(app);
wincursor(app, ARROW);
}
